TYPICAL PERFORMANCE
QHDZ-2X-1.95G
VSWR
Port 1
1.5
1.4
1.3
1.2
1.1
1
1700
Coupling (dB)
Coupling
Port 3
Port 4
-2
-2.25
-2.5
Direct
Coupled
Port 2
VSWR
-2.75
-3
-3.25
-3.5
-3.75
1725
1750
1775
1800
1825 1850 1875
Frequency (MHz)
1900
1925
1950
1975
2000
-4
1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1975 2000
Frequency (MHz)
Phase Balance
0
-85
-86
-87
Phase (degrees)
-88
-89
-90
-91
-92
-93
-94
-95
1700
1725
1750
1775
1800
1825
1850
1875
1900
1925
1950
1975
2000
-30
1700
1725
1750
1775
1800
-25
Isolation (dB)
-10
-15
-20
-5
Isolation
1825
1850
1875
1900
1925
1950
1975
2000
Frequency (MHz)
Frequency (MHz)
MOUNTING CONFIGURATION
50 OHM LINE
.032 DIELECTRIC THICKNESS
ER= 3.38
0.180
[4.57]
GROUND VIAS
PLATED THRU
Ground plane of unit should
be soldered to ground plane
of circuit board for optimum
performance
0.034 TYP. [0.86]
0.200
[5.08]
0.100
[2.54]
0.063
[1.60]
0.050
[1.27]
0.068
[1.73]
GROUND PLANE
TRUTH TABLE
TRUTH TABLE
1
1
2
3
4
Input
Iso
-90°
0°
2
Iso
Input
0°
-90°
3
-90°
0°
Input
Iso
4
0°
-90°
Iso
Input
Merrimac Industries / 41 Fairfield Place, West Caldwell, NJ 07006
Tel: 1.888.434.MMFM / Fax: 973.882.5990 / Email: crm@merrimacind.com / www.merrimacind.com
MERRIMAC [ MERRIMAC INDUSTRIES, INC. ]
